80771821.000000000

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{21599}}^1$

素因数の和:21716

約数の個数: 48

約数和(自身を含む): 503193600

約数和(自身を除く): 316319052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 103, 206, 309, 412, 618, 721, 1236, 1442, 2163, 2884, 4326, 8652, 21599, 43198, 64797, 86396, 129594, 151193, 259188, 302386, 453579, 604772, 907158, 1814316, 2224697, 4449394, 6674091, 8898788, 13348182, 15572879, 26696364, 31145758, 46718637, 62291516, 93437274, 186874548]

約数ペア:

[(1, 186874548), (2, 93437274), (3, 62291516), (4, 46718637), (6, 31145758), (7, 26696364), (12, 15572879), (14, 13348182), (21, 8898788), (28, 6674091), (42, 4449394), (84, 2224697), (103, 1814316), (206, 907158), (309, 604772), (412, 453579), (618, 302386), (721, 259188), (1236, 151193), (1442, 129594), (2163, 86396), (2884, 64797), (4326, 43198), (8652, 21599)]